121.8% is the change from 344 to 763
Calculation steps:
[( 763 - 344 ) ÷ 344] x 100 = 121.8%
Formula
Percentage change = [(763 - 344) / 344] x 100
Subtract the new number by the original number
763 - 344 = 419
419 ÷ 344 = 1.2180232558139534
1.2180232558139534 x 100 = 121.8%